Compare Element Properties

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Property	Co Cobalt	? N/A
Atomic number	27	N/A
Symbol	Co	N/A
Name	Cobalt	N/A
Category	transition-metal	N/A
Standard Atomic Weight	58.933194 u	N/A
Period	4	N/A
Group	9	N/A
Block	s	N/A
Phase at STP	solid	N/A
Electron configuration	[Ar]4s23d7	N/A
Oxidation states	[-3, -1, 0, 1, 2, 3, 4, 5]	N/A
Electronegativity (Pauling)	1.88	N/A
Electron affinity	0.661 eV	N/A
Density	8860 kg/m³	N/A
Melting point	1494.85 °C	N/A
Boiling point	2926.85 °C	N/A
Discovery year	1735	N/A